izumikuma, ooi_(kancolle), ooi_kai_ni_(kancolle), year_2024, 1girl, against_wall, arms_under_breasts, blurry, blurry_background, blush, breasts, brown_hair, closed_mouth, crossed_arms, dated, indoors, jewelry, long_hair, long_sleeves, looking_at_viewer, medium_breasts, midriff, navel, neckerchief, one-hour_drawing_challenge, pleated_skirt, red_eyes, ring, sailor_collar, school_uniform, serafuku, skirt, solo, twitter_username, wedding_ring, white_neckerchief, yellow_sailor_collar, yellow_skirt, commentary, highres, kantai_collection